%{
#include <stdio.h>
#include <stdlib.h>
#include "parser.h"
%}

%option warn nodefault

/* makes the scanner terminate after reaching <<EOF>> instead of assuming a new input was provided */
%option noyywrap
/* disable some unused functionality, add scanner tracking */
%option nounput noinput batch debug

/* gimme a reentrant parser (overkill but more pure) */
%option reentrant

%option bison-bridge


NL                  [\n]
CHAR                [a-z]


%%

{NL}                {
                        return NEWLINE;
                    }
{CHAR}              {
                        yylval->cval = yytext[0];
                        return CHAR;
                    }
<<EOF>>             {
                        return END_OF_FILE;
                    }
.                   {
                        printf("[error] Encountered unexpected token %s\n", yytext);
                        return 0;
                    }

%%